Nissan Sentra Service Manual: Symptom diagnosis
Nissan vehicle immobilizer systemnats symptoms
Symptom Table
Note:
- Before performing the diagnosis in the following table, check “SEC-171, "Work Flow"”.
- Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and check each symptom.
- If the following symptoms are detected, check systems shown in the “Diagnosis/service procedure” column in this order.
CONDITIONS OF VEHICLE (OPERATING CONDITIONS)
- Mechanical key is not inserted into key cylinder.
| Symptom | Diagnosis/service procedure | Reference page |
| Security indicator does not turn ON or flash. |
|
SEC-190 |
|
GI-39 |
Dtc/circuit diagnosis
Power supply and ground circuit
Diagnosis Procedure
Refer to LAN-7, "CAN COMMUNICATION SYSTEM : System Description".
Vehicle security indicator
Description
DTC DETECTION LOGIC
NOTE:
U ...
Removal and installation
Nats antenna amp
Removal and installation
REMOVAL
Remove instrument finisher B. Refer to IP-14, "Exploded View".
Using a suitable tool release the pawls on either side and remove the ...
Other materials:
Information voice commands
The following voice commands are available for
the information functions of the Navigation System:
Traffic
Fuel Prices
Stocks
Movie Listings
Current Weather
Weather Map
5 — day Forecast
6 — hour Forecast
For more information about these commands,
see the separate Navigatio ...
Cooling fan control
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
ECM controls cooling fan speed corresponding to vehicle speed, engine coolant
temperature, refrigerant pressure,
air conditioner ON signal. Then control system has 3-step control
[HIGH/LOW/OFF].
Cooling Fan Operation
Cooling Fan Relay Operation
Whe ...
B2268 water temp
Description
The engine coolant temperature signal is transmitted from ecm to the
combination meter via can communication.
Dtc logic
Dtc detection logic
Dtc
Consult
Detection condition
Probable malfunction location
B2268
Water temp meter
[b2268]
Ecm continuous ...